ProgramNode(3...36)(
  [],
  StatementsNode(3...36)(
    [CallNode(3...4)(nil, nil, (3...4), nil, nil, nil, nil, 0, "a"),
     CallNode(5...6)(nil, nil, (5...6), nil, nil, nil, nil, 0, "b"),
     CallNode(35...36)(nil, nil, (35...36), nil, nil, nil, nil, 0, "c")]
  )
)
